"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 防篡改
Case Name   : 验证权限组合之后功能正常(表空间，模式，函数)
Create At   : 2022/3/16
Owner       : @daiguatutu
Description :
    1.设置参数并重启数据库enableseparationofduty=on
    2.创建普通用户和sysadmin用户
    3.sysadmin用户连接,创建表空间和数据库
    4.sysadmin用户连接,连接新数据库创建函数
    5.普通用户连接,在新数据库下创建模式
    6.sysadmin用户连接,表空间的create权限赋给普通用户
    7.普通用户连接,在新数据库下创建模式
    8.sysadmin用户连接,回收普通用户的表空间的create权限,给普通用户数据库权限
    9.清理环境
Expect      :
    1.成功
    2.成功
    3.成功
    4.创建函数失败
    5.创建模式失败
    6.成功
    7.创建模式失败
    8.成功
    9.清理环境成功
History     :
"""

import os
import unittest

from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import macro


class Security(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        self.pri_sh = CommonSH('PrimaryDbUser')
        self.constant = Constant()
        self.common = Common()
        self.u_name = 'u_security_combineprivilege_0022'
        self.u_name_01 = 'u_security_combineprivilege_0022_01'
        self.ts_name = 'ts_security_combineprivilege_0022'
        self.s_name = 's_security_combineprivilege_0022'
        self.db_name = 'db_security_combineprivilege_0022'
        self.f_name = 'f_security_combineprivilege_0022'
        self.default_value1 = self.common.show_param('enableSeparationOfDuty')

    def test_security(self):
        text = '-----step1：设置参数并重启数据库enableSeparationOfDuty=on; ' \
               'expect:成功-----'
        self.log.info(text)
        mod_msg = self.pri_sh.execute_gsguc('set',
                                            self.constant.GSGUC_SUCCESS_MSG,
                                            'enableSeparationOfDuty=on')
        self.assertTrue(mod_msg, '执行失败:' + text)
        result = self.pri_sh.restart_db_cluster()
        self.assertTrue(result, '执行失败' + text)

        text = '-----step2：创建普通用户和sysadmin用户 expect:成功-----'
        self.log.info(text)
        create_cmd = f"drop database if exists {self.db_name};" \
            f"drop tablespace if exists {self.ts_name};" \
            f"drop user if exists {self.u_name}," \
            f"{self.u_name_01} cascade; " \
            f"create user {self.u_name} sysadmin password " \
            f"'{macro.COMMON_PASSWD}';" \
            f"create user {self.u_name_01} password '{macro.COMMON_PASSWD}';"
        msg = self.pri_sh.execut_db_sql(create_cmd)
        self.log.info(msg)
        self.assertIn(self.constant.TABLESPCE_DROP_SUCCESS, msg,
                      '执行失败:' + text)
        self.assertIn(self.constant.DROP_DATABASE_SUCCESS, msg,
                      '执行失败:' + text)
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, msg,
                      '执行失败:' + text)
        self.assertEqual(2, msg.count(self.constant.CREATE_ROLE_SUCCESS_MSG),
                         '执行失败:' + text)

        text = '-----step3：sysadmin用户连接,创建表空间和数据库 expect:成功-----'
        self.log.info(text)
        sql_cmd = f"drop tablespace if exists {self.ts_name}; " \
            f"create tablespace {self.ts_name} relative " \
            f"location '{self.ts_name}';" \
            f"drop database if exists {self.db_name};" \
            f"create database {self.db_name} tablespace {self.ts_name};"
        connect_sys = f'-U {self.u_name} -W {macro.COMMON_PASSWD}'
        msg = self.pri_sh.execut_db_sql(sql_cmd, sql_type=connect_sys)
        self.log.info(msg)
        self.assertIn(self.constant.TABLESPCE_DROP_SUCCESS, msg,
                      '执行失败:' + text)
        self.assertIn(self.constant.TABLESPCE_CREATE_SUCCESS, msg,
                      '执行失败:' + text)
        self.assertIn(self.constant.CREATE_DATABASE_SUCCESS, msg,
                      '执行失败:' + text)
        self.assertIn(self.constant.DROP_DATABASE_SUCCESS, msg,
                      '执行失败:' + text)

        text = '-----step4：sysadmin用户连接,连接新数据库创建函数 expect:创建函数失败-----'
        self.log.info(text)
        sql_cmd = f"create or replace function {self.f_name}() " \
            f"return integer as begin return 1;end;"
        connect_sys = f'-U {self.u_name} -W {macro.COMMON_PASSWD}'
        msg = self.pri_sh.execut_db_sql(sql_cmd, sql_type=connect_sys,
                                        dbname=self.db_name)
        self.log.info(msg)
        self.assertIn('ERROR:  permission denied', msg, '执行失败:' + text)

        text = '-----step5：普通用户连接,在新数据库下创建模式; expect:创建模式失败-----'
        self.log.info(text)
        norm_sql_cmd = f"create schema {self.s_name};"
        connect_norm = f'-U {self.u_name_01} -W {macro.COMMON_PASSWD}'
        msg = self.pri_sh.execut_db_sql(norm_sql_cmd, sql_type=connect_norm,
                                        dbname=self.db_name)
        self.log.info(msg)
        self.assertIn('ERROR:  permission denied', msg, '执行失败:' + text)

        text = '-----step6：sysadmin用户连接,表空间的create权限赋给普通用户 expect:成功-----'
        self.log.info(text)
        sql_cmd = f"grant create on tablespace {self.ts_name} " \
            f"to {self.u_name_01};"
        msg = self.pri_sh.execut_db_sql(sql_cmd, sql_type=connect_sys)
        self.log.info(msg)
        self.assertIn(self.constant.GRANT_SUCCESS_MSG, msg, '执行失败:' + text)

        text = '-----step7：普通用户连接,在新数据库下创建模式; expect:创建模式失败-----'
        self.log.info(text)
        msg = self.pri_sh.execut_db_sql(norm_sql_cmd, sql_type=connect_norm,
                                        dbname=self.db_name)
        self.log.info(msg)
        self.assertIn('ERROR:  permission denied', msg, '执行失败:' + text)

        text = '-----step8：sysadmin用户连接,回收普通用户的表空间的create权限,给普通用户数据库权限' \
               ' expect:成功-----'
        self.log.info(text)
        sql_cmd = f"revoke all on tablespace {self.ts_name} " \
            f"from {self.u_name_01};" \
            f"grant all on database {self.db_name} to {self.u_name_01};"
        msg = self.pri_sh.execut_db_sql(sql_cmd, sql_type=connect_sys)
        self.log.info(msg)
        self.assertIn(self.constant.GRANT_SUCCESS_MSG, msg, '执行失败:' + text)
        self.assertIn(self.constant.REVOKE_SUCCESS_MSG, msg,
                      '执行失败:' + text)

    def tearDown(self):
        self.log.info('-----step9：清理环境-----')
        text1 = '-----删除用户 expect:成功-----'
        self.log.info(text1)
        drop_cmd = f"drop database if exists {self.db_name};" \
            f"drop tablespace if exists {self.ts_name};" \
            f"drop user if exists {self.u_name}," \
            f"{self.u_name_01} cascade;"
        drop_msg = self.pri_sh.execut_db_sql(drop_cmd)
        self.log.info(drop_msg)

        text2 = '-----修改参数enableSeparationOfDuty为初始值 expect:成功-----'
        self.log.info(text2)
        mod_msg1 = self.pri_sh.execute_gsguc('set',
                                             self.constant.GSGUC_SUCCESS_MSG,
                                             f'enableSeparationOfDuty='
                                             f'{self.default_value1}')
        restart_res = self.pri_sh.restart_db_cluster()

        self.log.info('-----断言tearDown执行成功-----')
        self.assertIn(self.constant.TABLESPCE_DROP_SUCCESS, drop_msg,
                      '执行失败:' + text1)
        self.assertIn(self.constant.DROP_DATABASE_SUCCESS, drop_msg,
                      '执行失败:' + text1)
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, drop_msg,
                      '执行失败:' + text1)
        self.assertTrue(mod_msg1, '执行失败:' + text2)
        self.assertTrue(restart_res, '执行失败:' + text2)
        self.log.info(f'-----{os.path.basename(__file__)} end-----')
